The Ring,piston, cataloged under National Stock Number 4310-00-947-3439, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Kaydon Ring & Seal Inc Dba Skf Precision Technologies. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-00-947-3439 |
| Primary Part Number | R36389 |
| Item Name | Ring,piston |
| FSC / FSG | 4310 / 43 — No Item Name Available |
| Manufacturer | Kaydon Ring & Seal Inc Dba Skf Precision Technologies |
| Status | ACTIVE |
| Joint Style | STEP JOINT |
| Material | IRON OVERALL |
| Surface Treatment | PHOSPHATE OVERALL |
| Ring Style | CONCENTRIC |
| Standard Bore Diameter | 4.500 INCHES IN |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Radial Wall Thickness | 0.1750 INCHES MINIMUM AND 0.1850 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 90714 | Davey Compressor Co Div of Keco Industries Inc (USA) |
| 90714 | Drs Environmental Systems Inc (USA) |
| 44804 | Hdt Expeditionary Systems Inc (USA) |
| R36389 PRIMARY | Kaydon Ring & Seal Inc Dba Skf Precision Technologies (USA) |
| 44804 | Drs Environmental Systems Inc (USA) |
| 44804 | Davey Compressor Co Div of Keco Industries Inc (USA) |
NSN 4310-00-947-3439 is a Ring,piston, manufactured by Kaydon Ring & Seal Inc Dba Skf Precision Technologies, classified under FSC 4310 (No Item Name Available). Status: active.
NSN 4310-00-947-3439 has 6 cross-referenced part numbers: 90714 (Davey Compressor Co Div of Keco Industries Inc), 90714 (Drs Environmental Systems Inc), 44804 (Hdt Expeditionary Systems Inc), R36389 (Kaydon Ring & Seal Inc Dba Skf Precision Technologies), 44804 (Drs Environmental Systems Inc) and 1 more.
There are 8 known substitutes for 4310-00-947-3439: 4460-00-064-7339, 5120-00-249-1076, 5945-00-257-8891 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for R36389: Joint Style: STEP JOINT; Material: IRON OVERALL; Surface Treatment: PHOSPHATE OVERALL; Ring Style: CONCENTRIC. 9 total characteristics are documented in the Federal Logistics Information System.